Capital Work-Conversion Of 220Kv Single Bus To Double Bus - Construction Of 220Kv Double Bus At North Side Of 220Kv Substation Nallalam
Tender Value
Ref. Documents
Estimated cost
Bid Submission
26 Nov 2020
0 days left
EMD
51000
Bank guarantee accepted
Document Fee
4852
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
nallalam → Kerala
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Capital Work-Conversion Of 220Kv Single Bus To Double Bus - Construction Of 220Kv Double Bus At North Side Of 220Kv Substation Nallalam
BOQ
| Name of Work:Capital work-Conversion of 220kV single bus to double Bus - Construction of 220kV Double Bus at North Side of 220kV substation Nallalam | |||||
|---|---|---|---|---|---|
| Sl.No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Loading MS / GI materials hard ware fittings of line work and clamps for equipments and bus from the place of its storage to department lorry and make it ready for transportation as per the direction of departmental officers. | 68 | MT | |
| 2 | 2 | Unloading MS / GI materials, hard ware fittings of line work and clamps for equipments and bus from department lorry to substation site and stacking for proper storage as per the direction of departmental officers. | 68 | MT | |
| 3 | 3 | Fabrication of structures for erecting equipments. The GI & MS angles will be supplied departmentally | 160 | Qtl | |
| 4 | 4 | Erection of yard structures and assembling of columns and beams using bolt and nut including punching of holes. | 68 | MT | |
| 5 | 5 | Erection of 1 No. 220KV CT/PT/CVT/CC on the already erected structure after opening of crates at the place of storage leading to site carefully keeping at vertically not allowing tilting from vertical position more than the specified angles, keeping lines and levels as per the direction of the departmental officers. | 3 | No | |
| 6 | 6 | Erection of 1 No. 220KV LA/Post insulator on the already erected structure after opening of crates at the place of storage leading to site carefully, keeping lines and levels as per the direction of the departmental officers. | 33 | No | |
| 7 | 7 | Unpacking carefully and leading with an initial lead of 50 m,one set of 3pole EHT 220KV Circuit Breaker from the place of storage, including support structure , mechanism box compressor, pipe lines etc. to site , cleaning and erecting on foundation using suitable lifting tools, after disassembling necessary parts if required, to lines and levels and assembling all the parts , connecting mechanism etc. in complete shape and making ready for commissioning as per the direction of departmental officers. | 1 | No | |
| 8 | 8 | Erection of one set 220KV Bus Isolator on the already erected structure including opening crates and conveyance of all accessories from the place of storage to the place of erection to lines and levels including erection of mechanism box checking operation and aligning properly as per the direction of departmental officers | 7 | No | |
| 9 | 9 | Stringing and fixing earth wire of size 7/9, 7/10 or 7/3.15 between top of the columns and to terminal tower at 33/66/110/220KV substations with compressed / bolted ends at proper tension including uncoiling and cutting of conductor , jumpering, giving earth bond connections by drawing the end of the conductor through the columns, jointing where ever necessary providing back stays at the time of stringing etc. as per the direction of the departmental officers. | 40 | No | |
| 10 | 10 | Uncoiling, paving out, stringing and fixing of bus bar using ACSR BersimusQuad conductor for one phase of 220KV bus of span up to 35M by cutting the conductor to sufficient length, crimping using compressor / bolting the two ends, washing, cleaning and drying the insulator discs, fixing the conductors to the 220kV yard structure with sufficient tension using string of double /single tension polymer insulators and hardware complete. at four ends, fixing of arcing horns at both ends, fixing of spacers between two conductors at regular intervals as specified by dept staff at site including transportation of materials from the stockyard to the site under the supervision and direction of department staff at site. (All materials will be supplied departmentally at free of cost). | 12 | No | |
| 11 | 11 | Uncoiling, paving out, stringing and fixing of bus bar using ACSR Bersimus Double conductor for one phase of 220KV bus of span up to 35M by cutting the conductor to sufficient length, crimping using compressor / bolting the two ends, washing, cleaning and drying the insulator discs, fixing the conductors to the 220kV yard structure with sufficient tension using string of double /single tension polymer insulators and hardware complete at both ends, fixing of arcing horns at both ends, fixing of spacers between two conductors at regular intervals asa specified by dept staff at site including transportation of materials from the stockyard to the site under the supervision and direction of department staff at site. (All materials will be supplied departmentally at free of cost). | 12 | No | |
| 12 | 12 | Providing droppers and connecting to lines / equipments or jumper between two buses with necessary suspension insulators from a tripple/ quad bus formation for 33kV/66kV/110kV/220kV using ACSR Bersimus Quad conductor at both ends with compressed/ bolted ends fixing of spacers between two conductors at regular intervals as specified by the dept staff at site including uncoiling and cutting of conductor as per the direction of departmental officers. (For one phase) | 12 | No | |
| 13 | 13 | Providing droppers and connecting to lines / equipments or jumper between two buses without suspension insulators from Double/ tripple/ quad bus formation using ACSR Bersimis Double conductor at both ends with compressed/ bolted ends, fixing of spacers at regular intervals as directed, including uncoiling and cutting of conductor as per the direction of departmental officers. (For one phase) | 24 | No | |
| 14 | 14 | Providing Interconnection between equipments using ACSR Bersimus double conductor at both ends with compressed /bolted ends fixing of spacers between two conductors at regular intervals as specified by dept staff at site including uncoiling and cutting of conductors as per direction of dept officers | 30 | No | |
| 15 | 15 | Providing droppers and connecting to lines / equipments or jumper between two buses with necessary suspension polymer insulators for 33kV/66kV/110kV/220kV using ACSR Bersimis single conductor at both ends with compressed/ bolted ends including uncoiling and cutting of conductor as per the direction of departmental officers. (For one phase) | 36 | No | |
| 16 | 16 | Earth work in excavation by mechanical means(hydraulic excavator)/manual means in foundation trenches or drains not exceeding(1.5m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms,lift upto 1.50m,including getting out the excavated soil and disposal of surplus excavated soil as directed,within a lead of 50m. (DSR 2.8.1) | 80 | m3 | |
| 17 | 17 | Cutting 32mm MS rod in required length etc complete as per the direction of the departmental officers. | 240 | per cut | |
| 18 | 18 | Bending 32mm MS rod for crossing cable trench/foundations/risers etc. | 150 | per bend | |
| 19 | 19 | Laying of earth mat of required size as specified using 40/32/25mm MS rod including levelling lowering and placing in trenches, complete as per the direction of departmental officers. | 30 | Qtl | |
| 20 | 20 | Driving down the ground electrode upto a depth of 3m from the already taken earth pit as directed by the departmental officers. | 3 | E | |
| 21 | 21 | Welding of overlapping joints for mat,riser lap joints with 32/25mm MS rod placed in trenches, having 150mm in length 6mm in thick on both sides of the rod and both ends of overlapped MS rods with 6mm welding thickness after cleaning the surfaces neatly. Charges includes cost of low hydrogen DC electrode (No. E7018), hire charges of DC arc welding set and tools and plants required, current charges including labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of department officers. | 150 | E | |
| 22 | 22 | Welding the nodal points (cross joints ) in the trenches at two sides to a thickness of 6mm after cleaning the surface neatly. Charges includes cost of low hydrogen DC electrodes (No. E7018), hire charges of DC welding set and tools and plants required, current charges, labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers. | 120 | E | |
| 23 | 23 | Welding the ground electrode with the main electrode , after cleaning the surface neatly. Charges includes cost of low hydrogen content DC electrodes (No. E7018), hire charges of DC arc welding set, tools and plants, current charges, labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers. | 3 | E | |
| 24 | 24 | Laying of departmentally supplied GI strip/Copper strip of suitable size including cleaning and neatly bending of strips ,cutting, removing of metal/earth in the yard and burying earth strip to the required depth re-doing the yard metalling as per the direction of the departmental officers. | 70 | 10M | |
| 25 | 25 | Welding one end of the bended GI strip of size 50x6mm with the riser of the already laid earth mat, welding 150mm in length, 6mm thick on both sides & end of the strip and connecting other end with nuts & bolts if required as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes(No.E7018) cost of anti corrosive paint etc. complete. | 110 | E | |
| 26 | 26 | Welding one end of the GI strip 50x6mm with the structure with a welding length of 50mm & 6mm thickness on both sides & end of the strip and connecting other end with bolts & nuts if required including hire charges of DC arc welding set, current charges, cost of low hydrogen DC arc welding electrodes (No.E7018) cost of anti corrosive paint etc. complete. | 110 | E |
AI Tender Summary
Tender Timeline
Nov 19, 2020
11:30 IST
Tender Published
Tender notice published.
CompletedNov 26, 2020
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedNov 27, 2020
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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